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If you did not mix the coolant with water for a 98 grand prix will if hurt the car?
Wiki User
∙ 17y ago
Well, we didn't use the right mixture and now the "check coolant" light has been blinking off and on for the last year. I think we damaged the sensor because it is not running hot. The optimum blend for coolant is half distilled water and half coolant. Straight anti freeze does not cool as efficiently as a 50/50 mix. You did not damage the sensor. Sometimes the "Dexcool" (GM orange long life antifreeze) can "gum up" the sensor and cause false readings. The sensor is located on the passenger side of the radiator about 6 inches down from the top below a transmission cooler line. It is held in with a metal clip. Remove the battery to more easily access this sensor. Remove the clip and sensor -clean and replace. (I would sugggest lowering the coolant level before removing the sensor and be sure to bleed the system after replacing the sensor and coolant.) For more details on anti freeze check out the following website. http://www.phmeters.com/New_Folder/antifreeze_application_note.htm Hope this helps. "G"
Wiki User
∙ 17y ago
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